For machines
Public API
The whole directory as JSON — no key required. Anonymous limit 200 rows/call; bearer tokens (Google account) 1,000.
REST
GET /api/v1/datasets?q=&category=&tier=&delivery=&limit=&offset= GET /api/v1/providers?q=&category=&geography=&verified= GET /api/v1/categories
MCP server — spec 2026-07-28
{ "mcpServers": { "altdata-wiki": { "url": "https://altdata.wiki/api/mcp" } } }Access tokens — sign-up required
Generate at /account with Google, then Authorization: Bearer adw_….
llms.txt
curl https://altdata.wiki/llms.txt curl https://altdata.wiki/llms-full.txt